Sign-up deals in betting are promotional offers designed to attract new customers to online sportsbooks and casinos. These deals often include bonuses such as free bets, deposit matches, or risk-free wagers, providing an enticing incentive for users to create an account. By taking advantage of these offers, bettors can explore various betting options without significant financial risk. However, it's essential to read the terms and conditions, as wagering requirements and restrictions may apply. Overall, sign-up deals can enhance the betting experience and offer a valuable opportunity for newcomers to engage with the platform.